layui.define(function(exports){

    var docCookies = {
      getItem: function (sKey) {
        if (!sKey) { return null; }
        return decodeURIComponent(document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1")) || null;
      },
      setItem: function (sKey, sValue, vEnd, sPath, sDomain, bSecure) {
        if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/i.test(sKey)) { return false; }
        var sExpires = "";
        if (vEnd) {
          switch (vEnd.constructor) {
            case Number:
              sExpires = vEnd === Infinity ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT" : "; max-age=" + vEnd;
              /*
              Note: Despite officially defined in RFC 6265, the use of `max-age` is not compatible with any
              version of Internet Explorer, Edge and some mobile browsers. Therefore passing a number to
              the end parameter might not work as expected. A possible solution might be to convert the the
              relative time to an absolute time. For instance, replacing the previous line with:
              */
              /*
              sExpires = vEnd === Infinity ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT" : "; expires=" + (new Date(vEnd * 1e3 + Date.now())).toUTCString();
              */
              break;
            case String:
              sExpires = "; expires=" + vEnd;
              break;
            case Date:
              sExpires = "; expires=" + vEnd.toUTCString();
              break;
          }
        }
        document.cookie = encodeURIComponent(sKey) + "=" + encodeURIComponent(sValue) + sExpires + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "") + (bSecure ? "; secure" : "");
        return true;
      },
      removeItem: function (sKey, sPath, sDomain) {
        if (!this.hasItem(sKey)) { return false; }
        document.cookie = encodeURIComponent(sKey) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT" + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "");
        return true;
      },
      hasItem: function (sKey) {
        if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/i.test(sKey)) { return false; }
        return (new RegExp("(?:^|;\\s*)" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(document.cookie);
      },
      keys: function () {
        var aKeys = document.cookie.replace(/((?:^|\s*;)[^\=]+)(?=;|$)|^\s*|\s*(?:\=[^;]*)?(?:\1|$)/g, "").split(/\s*(?:\=[^;]*)?;\s*/);
        for (var nLen = aKeys.length, nIdx = 0; nIdx < nLen; nIdx++) { aKeys[nIdx] = decodeURIComponent(aKeys[nIdx]); }
        return aKeys;
      }
    };

    exports('cookies', docCookies);
});